| US 7,518,313 B2 | ||
| Discharge lamp of the short arc type having a trigger wire | ||
| Mayumi Yamamoto, Himeji (Japan); and Hiroshi Kamiyama, Himeji (Japan) | ||
| Assigned to Ushiodenki Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Aug. 29, 2005, as Appl. No. 11/212,872. | ||
| Claims priority of application No. 2004-263911 (JP), filed on Sep. 10, 2004. | ||
| Prior Publication US 2006/0055327 A1, Mar. 16, 2006 | ||
| Int. Cl. H01J 11/00 (2006.01); H01J 61/06 (2006.01); H01J 65/00 (2006.01) | ||
| U.S. Cl. 313—607 [313/491; 313/631] | 10 Claims |
| 1. Discharge lamp of the short arc type which comprises:
an arc tube in which there is a pair of opposed electrodes;
a pair of hermetically sealing parts which extend outward from opposite ends of the arc tube;
a trigger wire, each end of which has a bend that is wound around a respective one of the hermetically sealing parts, and
which has a middle area which runs along an outside surface of the arc tube,
wherein, in the area of at least one of the ends of the trigger wire, the bend comes to rest on one of the hermetically sealing
parts, and adjoining this bend, a tip end area of the end of the trigger wire has a fold in which the bend is hooked for mounting
of the bend around a respective hermetically sealing part.
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